[vtk-developers] Question about tiff library in VTK

[Pat Marion]

VTK contains a cmakified libtiff in ThirdParty/tiff/vtktiff.  At configure
time, cmake generates a file named tif_fax3sm.c in the build dir.  See
ThirdParty/tiff/vtktiff/CMakeLists.txt.  But, tif_fax3sm.c already exists
in the vtktiff source directory, and on my machine the generated file is
identical to the existing version in the source dir.  Does anyone know what
this file is, and whether or not the code generation step is required?  Why
not use tif_fax3sm.c from the source directory?

Pat
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